Home / 434,445.36-651,758.76-134,918.16

Finding the Fourth Proportional to 434,445.36, 651,758.76 and 134,918.16

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Solution

The fourth proportional to 434,445.36, 651,758.76 and 134,918.16 is: 202,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,445.36 : 651,758.76 = 134,918.16 : x
  2. Step 2: Convert to fraction form
    434,445.36/651,758.76 = 134,918.16/x
  3. Step 3: Cross multiply
    434,445.36x = 651,758.76 × 134,918.16
  4. Step 4: Simplify right side
    434,445.36x = 87,934,092,663.08
  5. Step 5: Solve for x
    x = 87,934,092,663.08/434,445.36
  6. Step 6: Final answer
    x = 202,405.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.